sed: Can't open /usr/web/plan9/sources.html --rw-rw-rw- miller sys 20 Jul 8 2014 email --rw-rw-r-- miller sys 27 Jul 8 2014 files --rw-rw-r-- miller sys 6115 Jul 8 2014 mmu.c --rw-rw-r-- miller sys 6097 Jul 8 2014 mmu.c.orig --rw-rw-r-- miller sys 0 Jul 8 2014 notes --rw-rw-r-- miller sys 143 Jul 8 2014 readme sed: Can't open /usr/web/plan9/sources.html